TRENDING: Obama: I bear ‘full responsibility for everything’  —  (CNN) - President Barack Obama discussed his frustration with gridlock in Washington, saying his “biggest disappointment” in his nearly four years in office has been the failure to oversee change in the nation's political climate.

Deadly Attack in Libya Was Major Blow to C.I.A. Efforts  —  WASHINGTON — The attack in Benghazi, Libya, that killed Ambassador J. Christopher Stevens and three other Americans has dealt the Central Intelligence Agency a major setback in its intelligence-gathering efforts at a time of increasing instability in the North African nation.